I / imperturbātĭo
noun

imperturbātĭo

gen. imperturbātōnis · gender feminine · decl. 3rd
(), , 2. inperturbatio
freedom from disturbance; tranquillity
freedom from disturbance, tranquillity, a transl. of the Gr. ἀπάθεια, Hier. Ep. 133, 3.